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Revision 2665, 0.9 KB
(checked in by pmoura, 3 years ago)
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Improved library hierarchy metohds that return lists of objects in order to avoid duplicated elements (library objects "proto_hierarchy.lgt" and "class_hierarchy.lgt"). Added new methods extension/1 and extensions/1 to the library object "proto_hierarchy.lgt".
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Author Date Id Revision
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| 1 | |
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| 2 | :- protocol(proto_hierarchyp, |
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| 3 | extends(hierarchyp)). |
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| 4 | |
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| 5 | :- info([ |
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| 6 | version is 1.1, |
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| 7 | author is 'Paulo Moura', |
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| 8 | date is 2006/2/20, |
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| 9 | comment is 'Prototype hierarchy protocol.']). |
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| 10 | |
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| 11 | :- public(parent/1). |
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| 12 | :- mode(parent(?object), zero_or_more). |
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| 13 | :- info(parent/1, [ |
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| 14 | comment is 'Returns, by backtracking, all object parents.', |
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| 15 | argnames is ['Parent']]). |
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| 16 | |
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| 17 | :- public(parents/1). |
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| 18 | :- mode(parents(-list), one). |
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| 19 | :- info(parents/1, [ |
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| 20 | comment is 'List of all object parents.', |
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| 21 | argnames is ['Parents']]). |
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| 22 | |
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| 23 | :- public(extension/1). |
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| 24 | :- mode(extension(?object), zero_or_more). |
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| 25 | :- info(extension/1, [ |
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| 26 | comment is 'Returns, by backtracking, all object direct descendants.', |
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| 27 | argnames is ['Extension']]). |
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| 28 | |
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| 29 | :- public(extensions/1). |
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| 30 | :- mode(extensions(-list), one). |
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| 31 | :- info(extensions/1, [ |
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| 32 | comment is 'List of all object direct descendants.', |
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| 33 | argnames is ['Extensions']]). |
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| 34 | |
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| 35 | :- end_protocol. |
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